Gilbert Hunt

Gilbert Hunt

Full name	Gilbert A. Hunt, Jr.
Country (sports)	United States
Born	March 4, 1916 Washington, D.C.[1]
Died	May 30, 2008(2008-05-30) (aged 92) Princeton, New Jersey[2]
Plays	Right-handed (one-handed backhand)
Singles
Career record	89-52
Career titles	6
Grand Slam singles results
US Open	QF (1938, 1939)

Gilbert Agnew Hunt, Jr. (March 4, 1916 – May 30, 2008)^[1] was an American mathematician and amateur tennis player active in the 1930s and 1940s.

Hunt was born in Washington, D.C. and attended Eastern High School.^[3]

Hunt reached the quarterfinals of the U.S. National Championships in 1938 and 1939.

Hunt received his bachelor's degree from George Washington University in 1938 and his Ph.D. from Princeton University in 1948 under Salomon Bochner. Hunt became a mathematics professor at Princeton University specializing in probability theory,^[2] Markov processes, and potential theory.^[1]

The Hunt process is named after him. He was an Invited Speaker at the ICM in 1962 in Stockholm. His doctoral students include Robert McCallum Blumenthal and Richard M. Dudley.

Hunt's theorem states that for a large class of positive kernels ${\displaystyle V}$ satisfying "the complete maximum principle" of potential theory, there corresponds a contraction resolvent and associated sub-Markovian semigroup ${\displaystyle P_{t}}$ with

${\displaystyle Vf=\int _{0}^{\infty }P_{t}fdt~.}$ (${\displaystyle V}$ is called the "potential kernel" of the semigroup.)^[4]

• Hunt, G. A. (1951). "Random Fourier transforms". Trans. Amer. Math. Soc. 71: 38–69. doi:10.1090/S0002-9947-1951-0051340-3.
• with Paul Erdős: Erdős, Paul; Hunt, Gilbert (1953). "Changes of sign of sums of random variables". Pacific Journal of Mathematics. 3 (4): 673–687. doi:10.2140/pjm.1953.3.673.
• Hunt, G. A. (1954). "On positive Green's functions". Proc. Natl. Acad. Sci. 40 (9): 816–818. Bibcode:1954PNAS...40..816H. doi:10.1073/pnas.40.9.816. PMC 534174. PMID 16589567.
• Hunt, G. A. (1955). "An inequality in probability theory". Proc. Amer. Math. Soc. 6 (3): 506–510. doi:10.1090/S0002-9939-1955-0075470-4.
• Hunt, G. A. (1956). "Markoff processes and potentials". Proc. Natl. Acad. Sci. 42 (7): 414–418. Bibcode:1956PNAS...42..414H. doi:10.1073/pnas.42.7.414. PMC 534239. PMID 16589879.
• Hunt, G. A. (1956). "Semi-groups of measures on Lie groups". Trans. Amer. Math. Soc. 81 (2): 264–293. doi:10.1090/S0002-9947-1956-0079232-9.
• Hunt, G. A. (1956). "Some theorems concerning Brownian motion". Trans. Amer. Math. Soc. 81 (2): 294–319. doi:10.1090/S0002-9947-1956-0079377-3.
• Hunt, G. A. (1956). "A theorem of Elie Cartan". Proc. Amer. Math. Soc. 7 (2): 307–308. doi:10.1090/S0002-9939-1956-0077075-9.

• Gilbert Hunt at the Association of Tennis Professionals
• Kitta MacPherson, Gilbert Hunt, probability expert, dies at 92, «Princeton Weekly Bulletin» June 16, 2008, Vol. 97, No. 29.
• O'Connor, John J.; Robertson, Edmund F., "Gilbert Agnew Hunt", MacTutor History of Mathematics Archive, University of St Andrews
• Gilbert Hunt at the Mathematics Genealogy Project
• Gilbert Agnew Hunt, Jr. - Dolph Briscoe Center for American History Archived 2020-09-20 at the Wayback Machine

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